Home / 14,018.95-21,030.36-5,133.12

Finding the Fourth Proportional to 14,018.95, 21,030.36 and 5,133.12

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Solution

The fourth proportional to 14,018.95, 21,030.36 and 5,133.12 is: 7,700.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.95 : 21,030.36 = 5,133.12 : x
  2. Step 2: Convert to fraction form
    14,018.95/21,030.36 = 5,133.12/x
  3. Step 3: Cross multiply
    14,018.95x = 21,030.36 × 5,133.12
  4. Step 4: Simplify right side
    14,018.95x = 107,951,361.52
  5. Step 5: Solve for x
    x = 107,951,361.52/14,018.95
  6. Step 6: Final answer
    x = 7,700.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.